LiveForever Biotechnology Corporation (LFBC) has a new potential drug developed by their research group. Drugs go through four stages:

Step 1 has been completed at a cost of $100 million, step 2 is in the current year (2010), step 3 is planned for years 2011-2014, and step 4 in years 2015 to 2018. . The tables below lists the relevant data. Changes in inventory, accounts payable and accounts receivable can be ignored.